With the analysis among 168 patents, we discovered top 92 key players by total patent application. Toshiba Tec Corp., DENSO Corp., TOSHIBA Corp. are dominant in this area. They take 19.05% of the total patent filing.
Tokyo-to, Japan
Patent: 12
Aichi-ken, Japan
Patent: 10
Tokyo-to, Japan
Patent: 10
Kanagawa-ken, Japan
Patent: 6
Chiba-ken, Japan
Patent: 3
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With the analysis among related 23 patents applied in the last 5 years. We discover 23 most active companies in this area. The fast-growing China Petroleum University Beijing, Southwest Petroleum University, Beijing Kemax Oilfield Chemicals Technology Co., Ltd. take 39.13% of patent filing during this period.
Beijing Shi, China
Patent: 4
Sichuan Sheng, China
Patent: 3
Beijing Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
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Patent: 2
Fukushima-ken, Japan
Patent: 1
Gansu Sheng, China
Patent: 1
With the analysis among related 23 patents in last 5 years, we discover 17 new entrants. China Petroleum University Beijing, Beijing Kemax Oilfield Chemicals Technology Co., Ltd., Safekick Americas LLC are the most active new entrants in this area.
Beijing Shi, China
Patent: 4
Beijing Shi, China
Patent: 2
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Patent: 2
Fukushima-ken, Japan
Patent: 1
Gansu Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Sinopec Petroleum Engineering Technology Service Co. Ltd.
Beijing Shi, China
Patent: 1
Shandong Sheng, China
Patent: 1
Shanxi Sheng, China
Patent: 1
With the analysis among 23 patents, we discovered top 9 universities and scientific research institutions by total patent application. Henan Polytechnic University, Southwest Petroleum University, China Petroleum University Beijing are dominant in this area. They take 60.87% of the total patent filing.
Henan Sheng, China
Patent: 6
Sichuan Sheng, China
Patent: 4
Beijing Shi, China
Patent: 4
Shandong Sheng, China
Patent: 1
Shanxi Sheng, China
Patent: 1
Chongqing Shi, China
Patent: 1
Gansu Sheng, China
Patent: 1